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Simba/Units/MMLCore/windowutil.pas
2009-09-23 20:18:33 +00:00

134 lines
3.7 KiB
ObjectPascal

unit windowutil;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils,
ctypes, // for cint, etc
GraphType, // For TRawImage
{$IFDEF LINUX}
x, xlib, // For X* stuff.
{$ENDIF}
mufasatypes;
{$IFDEF LINUX}
Procedure XImageToRawImage(XImg: PXImage; Var RawImage: TRawImage);
function MufasaXErrorHandler(para1:PDisplay; para2:PXErrorEvent):cint;cdecl;
{$ENDIF}
Procedure ArrDataToRawImage(Ptr: PRGB32; Size: TPoint; Var RawImage: TRawImage);
implementation
{$IFDEF LINUX}
// Too global.
function MufasaXErrorHandler(para1:PDisplay; para2:PXErrorEvent):cint;cdecl;
begin;
result := 0;
Writeln('X Error: ');
writeln('Error code: ' + inttostr(para2^.error_code));
writeln('Display: ' + inttostr(LongWord(para2^.display)));
writeln('Minor code: ' + inttostr(para2^.minor_code));
writeln('Request code: ' + inttostr(para2^.request_code));
writeln('Resource ID: ' + inttostr(para2^.resourceid));
writeln('Serial: ' + inttostr(para2^.serial));
writeln('Type: ' + inttostr(para2^._type));
end;
Procedure XImageToRawImage(XImg: PXImage; Var RawImage: TRawImage);
Begin
RawImage.Init; { Calls raw.Description.Init as well }
RawImage.Description.PaletteColorCount:=0;
RawImage.Description.MaskBitsPerPixel:=0;
RawImage.Description.Width := XImg^.width;
RawImage.Description.Height:= XImg^.height;
RawImage.Description.Format := ricfRGBA;
if XImg^.byte_order = LSBFirst then
RawImage.Description.ByteOrder := riboLSBFirst
else
RawImage.Description.ByteOrder:= riboMSBFirst;
RawImage.Description.BitOrder:= riboBitsInOrder; // should be fine
RawImage.Description.Depth:=XImg^.depth;
RawImage.Description.BitsPerPixel:=XImg^.bits_per_pixel;
RawImage.Description.LineOrder:=riloTopToBottom;
RawImage.Description.LineEnd := rileDWordBoundary;
RawImage.Description.RedPrec := 8;
RawImage.Description.GreenPrec:= 8;
RawImage.Description.BluePrec:= 8;
RawImage.Description.AlphaPrec:=0;
// Can be adjusted to the XImage RedMask, etc.
// For now I just assume the tester uses BGR.
RawImage.Description.RedShift:=16;
RawImage.Description.GreenShift:=8;
RawImage.Description.BlueShift:=0;
RawImage.DataSize := RawImage.Description.Width * RawImage.Description.Height
* (RawImage.Description.bitsperpixel shr 3);
//RawImage.DataSize := RawImage.Description.Height * RawImage.Description.BitsPerLine;
RawImage.Data := PByte(XImg^.data);
End;
{$ENDIF}
// Needs more fixing. We need to either copy the memory ourself, or somehow
// find a TRawImage feature to skip X bytes after X bytes read. (Most likely a
// feature)
Procedure ArrDataToRawImage(Ptr: PRGB32; Size: TPoint; Var RawImage: TRawImage);
Begin
RawImage.Init; { Calls raw.Description.Init as well }
RawImage.Description.PaletteColorCount:=0;
RawImage.Description.MaskBitsPerPixel:=0;
RawImage.Description.Width := Size.X;
RawImage.Description.Height:= Size.Y;
RawImage.Description.Format := ricfRGBA;
RawImage.Description.ByteOrder := riboLSBFirst;
RawImage.Description.BitOrder:= riboBitsInOrder; // should be fine
RawImage.Description.Depth:=24;
RawImage.Description.BitsPerPixel:=32;
RawImage.Description.LineOrder:=riloTopToBottom;
RawImage.Description.LineEnd := rileDWordBoundary;
RawImage.Description.RedPrec := 8;
RawImage.Description.GreenPrec:= 8;
RawImage.Description.BluePrec:= 8;
RawImage.Description.AlphaPrec:=0;
RawImage.Description.RedShift:=16;
RawImage.Description.GreenShift:=8;
RawImage.Description.BlueShift:=0;
RawImage.DataSize := RawImage.Description.Width * RawImage.Description.Height
* (RawImage.Description.bitsperpixel shr 3);
RawImage.Data := PByte(Ptr);
End;
end.